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Jim Simons Renaissance Technologies
AUM
$72.6B
Turnover
31.08%
1-Year Est. Return
54.88%
Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.
This Fund
S&P 500
This Quarter Est. Return
+24.48%
1 Year Est. Return
+54.88%
3 Year Est. Return
+169.34%
5 Year Est. Return
+186.18%
10 Year Est. Return
+887.92%
AUM
$72.6B
AUM Growth
+$8.69B
(+14%)
Cap. Flow
+$958M
Cap. Flow % of AUM
Cap. Flow %
1.32%
Top 10 Holdings %
Top 10 Hldgs %
12.01%
Holding
3,761
New
548
Increased
1,084
Reduced
1,502
Closed
621
Avg Time Held
3.5
years
Top 10 Avg Time Held
1.5
years
Top 20 Avg Time Held
1.3
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$1.08B |
| 2 |
NVIDIA
NVDA
|
+$938M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$639M |
| 4 |
Netflix
NFLX
|
+$598M |
| 5 |
Amazon
AMZN
|
+$575M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.46B |
| 2 |
Sandisk
SNDK
|
+$1.13B |
| 3 |
Apple
AAPL
|
+$426M |
| 4 |
Linde
LIN
|
+$316M |
| 5 |
Vertiv
VRT
|
+$297M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 23.58% |
| 2 | Healthcare | 14.83% |
| 3 | Consumer Discretionary | 11.24% |
| 4 | Industrials | 10.49% |
| 5 | Communication Services | 8.91% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
1951
DELISTED
Cross Country Healthcare
CCRN
| $2.02M | ﹤0.01% |
152,683
-92,717
| -38% | -$1.1M |
2022 Q3
15 quarters
|
|
1952
Inseego
INSG
$73.7M
| $2.01M | ﹤0.01% |
194,747
+76,430
| +65% | +$1.02M |
2024 Q2
8 quarters
|
|
1953
Malibu Boats
MBUU
$446M
| $2M | ﹤0.01% |
73,036
+46,200
| +172% | +$1.23M |
2015 Q2
44 quarters
|
|
1954
Greif Class B
GEF.B
$4.38B
| $2M | ﹤0.01% |
21,400
-4,800
| -18% | -$405K |
2013 Q3
51 quarters
|
|
1955
Capital Group Dividend Value ETF
CGDV
$38.5B
| $2M | ﹤0.01% |
40,600
-21,300
| -34% | -$1M |
2025 Q2
4 quarters
|
|
1956
AC Immune
ACIU
$249M
| $2M | ﹤0.01% |
840,127
+215,760
| +35% | +$594K |
2017 Q4
34 quarters
|
|
1957
iShares MSCI Emerging Markets Min Vol Factor ETF
EEMV
$3.44B
| $1.99M | ﹤0.01% |
26,400
-13,000
| -33% | -$936K |
2025 Q2
4 quarters
|
|
1958
Ducommun
DCO
$2.42B
| $1.98M | ﹤0.01% |
10,700
-36,500
| -77% | -$5.42M |
2013 Q2
52 quarters
|
|
1959
Idaho Strategic Resources
IDR
$315M
| $1.98M | ﹤0.01% |
60,443
+39,395
| +187% | +$1.53M |
2026 Q1
1 quarter
|
|
1960
MNTN Inc
MNTN
$738M
| $1.97M | ﹤0.01% |
214,589
-431,628
| -67% | -$3.93M |
2025 Q3
3 quarters
|
|
1961
Kenon Holdings
KEN
$3.39B
| $1.97M | ﹤0.01% |
29,500
+1,500
| +5% | +$123K |
2022 Q1
17 quarters
|
|
1962
BRC Group Holdings
RILY
$169M
| $1.97M | ﹤0.01% |
244,500
-5,718
| -2% | -$48.6K |
2026 Q1
1 quarter
|
|
1963
Cerus
CERS
$466M
| $1.96M | ﹤0.01% |
671,700
+92,800
| +16% | +$225K |
2020 Q4
22 quarters
|
|
1964
Lakeland Industries
LAKE
$91.7M
| $1.95M | ﹤0.01% |
182,802
-17,600
| -9% | -$178K |
2014 Q4
46 quarters
|
|
1965
Penguin Solutions Inc
PENG
$2.66B
| $1.94M | ﹤0.01% |
+25,500
| New | +$1.16M |
2026 Q2
0 quarters
|
|
1966
Methode Electronics
MEI
$451M
| $1.94M | ﹤0.01% |
102,100
+12,100
| +13% | +$125K |
2025 Q3
3 quarters
|
|
1967
Global X Silver Miners ETF NEW
SIL
$3.83B
| $1.94M | ﹤0.01% |
+25,000
| New | +$2.25M |
2026 Q2
0 quarters
|
|
1968
Docebo
DCBO
$761M
| $1.93M | ﹤0.01% |
107,831
-200
| -0.2% | -$3.55K |
2020 Q4
22 quarters
|
|
1969
Jefferson Capital
JCAP
$1.19B
| $1.93M | ﹤0.01% |
99,102
-78,930
| -44% | -$1.47M |
2025 Q3
3 quarters
|
|
1970
iShares MSCI Emerging Markets ETF
EEM
$28.6B
| $1.93M | ﹤0.01% |
28,200
-93,800
| -77% | -$6.13M |
2025 Q2
4 quarters
|
|
1971
The Joint Corp
JYNT
$104M
| $1.93M | ﹤0.01% |
219,478
-9,100
| -4% | -$80.3K |
2017 Q4
34 quarters
|
|
1972
Landmark Bancorp
LARK
$201M
| $1.92M | ﹤0.01% |
62,453
-3,600
| -5% | -$101K |
2014 Q3
47 quarters
|
|
1973
Gossamer Bio
GOSS
$57.9M
| $1.91M | ﹤0.01% |
145,374
+130,151
| +855% | +$2.91M |
2023 Q4
10 quarters
|
|
1974
Holley
HLLY
$315M
| $1.91M | ﹤0.01% |
747,400
-125,700
| -14% | -$357K |
2023 Q3
11 quarters
|
|
1975
Riverview Bancorp
RVSB
$121M
| $1.9M | ﹤0.01% |
350,030
+30,823
| +10% | +$171K |
2016 Q2
40 quarters
|
|
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Jim Simons's Q2 2026 Portfolio in Review
As of Q2 2026, Jim Simons held 3,761 positions worth $72.6B, up 14% from $63.9B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2026 filing shows 548 new, 1,084 increased, 1,502 reduced and 621 closed positions. Its largest new stake was Amazon: 2,290,710 shares worth $546M. The largest sale was Micron Technology, an estimated $1.46B.
By sector, the portfolio is most concentrated in Technology at 24% of assets, up from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2026 buy was Amazon: 2,290,710 shares worth $546M.
- Jim Simons added most to Meta Platforms (Facebook) in Q2 2026, an estimated $1.08B increase.
- Jim Simons's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.46B.
- Jim Simons fully exited Applovin in Q2 2026, selling an estimated $174M.
- Jim Simons's ten largest holdings make up 12% of its $72.6B portfolio in Q2 2026.
- Jim Simons opened 548 new positions and closed 621 in Q2 2026.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $72.6B.
Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.